256080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 874944

約数和(自身を除く): 618864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 97, 110, 120, 132, 165, 176, 194, 220, 240, 264, 291, 330, 388, 440, 485, 528, 582, 660, 776, 880, 970, 1067, 1164, 1320, 1455, 1552, 1940, 2134, 2328, 2640, 2910, 3201, 3880, 4268, 4656, 5335, 5820, 6402, 7760, 8536, 10670, 11640, 12804, 16005, 17072, 21340, 23280, 25608, 32010, 42680, 51216, 64020, 85360, 128040, 256080]

約数ペア:

[(1, 256080), (2, 128040), (3, 85360), (4, 64020), (5, 51216), (6, 42680), (8, 32010), (10, 25608), (11, 23280), (12, 21340), (15, 17072), (16, 16005), (20, 12804), (22, 11640), (24, 10670), (30, 8536), (33, 7760), (40, 6402), (44, 5820), (48, 5335), (55, 4656), (60, 4268), (66, 3880), (80, 3201), (88, 2910), (97, 2640), (110, 2328), (120, 2134), (132, 1940), (165, 1552), (176, 1455), (194, 1320), (220, 1164), (240, 1067), (264, 970), (291, 880), (330, 776), (388, 660), (440, 582), (485, 528)]